4.3.15. EKSTU Physics (2)

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Uploaded: 31.10.2013
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The solution of a task 4.3.15 is typed on the computer.
4.3.15 The red border of photoeffect for potassium corresponds to the wavelength of 0,577 microns. At what potential difference between electrodes issue of electrons from a potassium surface stops if to light the cathode with radiation with the wavelength of 0,4 microns?

Additional information

Methodical instructions K.A. Sadilov, N. K. Nokhrina, T.P. Gordeeva, G. K. Uazyrkhanova. Part 2.


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